Finding the Fourth Proportional to 133,025.68, 183,643.16 and 102,743.02
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Solution
The fourth proportional to 133,025.68, 183,643.16 and 102,743.02 is: 141,837.67
Step by Step Solution
- Step 1: Write the proportion equation
133,025.68 : 183,643.16 = 102,743.02 : x - Step 2: Convert to fraction form
133,025.68/183,643.16 = 102,743.02/x - Step 3: Cross multiply
133,025.68x = 183,643.16 × 102,743.02 - Step 4: Simplify right side
133,025.68x = 18,868,052,860.74 - Step 5: Solve for x
x = 18,868,052,860.74/133,025.68 - Step 6: Final answer
x = 141,837.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.